| B & L Electric Company, LLC | Henry L Poplin | 843-957-7948 | hpoplin@blelectric.com |
| Barwick Plumbing, LLC | Steve Barwick | 803-452-5755 | bevardis@sc.rr.com |
| Bear Mechanical Servies, LLC | Fred Gibbs | 803-252-9226 | fgibbs@bearmechanical.com |
| Blanchard Machinery / Blanchard Power Systems | Sara Cox | 843-871-2001 | sbcox@blanchardmachinery.com |
| Border States Electric | Mac Doyle | 843-879-0232 | wdoyle@borderstates.com |
| Carolina Air & Water Balancing Company | Wilbert Goff | 803-776-0568 | ann@cawbi.com |
| Carolina Construction Solutions dba CCS Constructi | Matt Telmanik | 843-870-1949 | matt@staffccs.com |
| Carrier Enterprises | Jim Steffey | 803-736-7770 | jim.steffey@carrierenterprise.com |
| Cashion Electricians, Inc. | John Williams | 803-252-4016 | jwilliams49@bellsouth.net |
| Central Controls, Inc | Karen Linden | 803-794-0487 | cenconinc@aol.com |
| Central Heating & Air Conditioning Service, Inc | Buddy Davis | 803-786-0170 | bdavis2710@bellsouth.net |
| Columbia Cooling & Heating Company, Inc | Robert McWilliams | 803-765-0430 | rmcwilliams@columbiacooling.com |
| Consolidated Pipe & Supply Company, Inc | Sonya Stoneburner | 803-779-3210 | sdanner@consolidatedpipe.com |
| Control Management, Inc | Phil Wilson | 803-765-9070 | philw@controlmanagement.com |
| Cullum Mechanical Construction, Inc | Chris Cullum | 843-554-6645 | cullumc@culluminc.com |
| Dixie Heating & Cooling Co | John W Marsh | 803-776-1173 | dixiehtg@yahoo.com |
| Epting Distributors | Al Carr | (864) 901-6175 | alcarr@eptingdist.com |
| Faulkner Haynes & Associates | Jim Haynes | 803-926-9229 | jim.haynes@fha-hvac.com |
| Ferguson Enterprises, Inc - Plumbing - Columbia | Brian Adkims | 803-699-4000 | brian.adkins@ferguson.com |
| Gateway Supply Company, Inc - Columbia | Mike Hough | 803-771-7160 | mhough@gatewaysupply.net |
| Gregory Electric Company | Barbara Livingston | 803-748-1122 | balivingston@gregoryelectric.com |
| Hill Plumbing & Electric Co, Inc | Frank Hill | 803-773-6689 | frankhill@hillplumbing.com |
| Hoffman & Hoffman, Inc | Darryl Frick | 803-765-9360 | darryl.frick@hoffman-hoffman.com |
| HR Allen, Inc. | Rod Allen | 843-747-4100 | rod.allen@hrallen.com |
| Hub International Southeast | Sally Snelson | 803-739-6140 | john.gardner@hubinternational.com |
| James M Pleasants Company, Inc | Spence Phillips | 803-798-1405 | spencerp@jmpco.com |
| Keenan & Suggs, Inc | John Spratlin | 803-799-5533 | jspratlin@keenansuggs.com |
| Kimball's Plumbing, Heating & Electrical | Wayne Kimball | 803-648-4301 | |
| Love Chevrolet Company - Fleet Department | John Myrick | 803-794-9004 ext 4 | jfmyrick@msn.com |
| Loveless Commerical Contracting, Inc | Ken Loveless | 803-796-5551 | info@lovelesscontracting.com |
| Lubrizol | W. Sean Barr | 843-408-2519 | sean.barr@lubrizol.com |
| McCall's Supply Company | Dairen Jacobs | 843-386-3323 | rsanders@mccallsinc.com |
| McCartha, Cobb & Associates, Inc | Wayne McCartha | 803-799-3474 | cwayne@mccartha-cobb.com |
| McGriff Insurance Srvices | Adam Dougherty | 803-231-6176 | ADougherty@mcgriffinsurance.com |
| Mechanical Contractors Association | Mona Flowers | (803) 772-7834 | MFlowers@MCASC.com |
| Mechanical Engineering Consulting Associates (MECA | Phil Claytor | 803-765-9421 | philclaytor@mecainc.com |
| Meetze Plumbing | Kevin Meetze | 803-782-7487 | Kevin@meetzeplumbing.com |
| Murray Supply Company- Columbia | James Fakas | 803-767-4313 | jrfakas@morsco.com |
| Precision Plumbing of Sandy Run, Inc. | April White | 803-791-5820 | awhite@precisionplumbingsr.com |
| Roger's Computer Service, Inc | Roger Griggs | 803-951-1826 | rgriggs@rogerscomputer.com |
| SIFCO Mechanical, Inc | Allen Goff | 803-778-1931 | agoff@sifcomech.com |
| Sosa Manzo and Company | Christina Sosa-Manzo | 803-764-7376 | christinasosamanzo@gmail.com |
| South Risk Managemrnt | John Babson | 803-733-5284 | jbabson@southrisk.com |
| Southern Atlantic Mechanical Contractors, LLC | James Gable | (803) 781-9825 | jgable@samcosc.com |
| Total Comfort Solutiions | Kristi Eidson | 803-772-4495 | kristi.eidson@totalcomfortsolutions.com |
| Tradesmen International | Brandon Eichler | 803-750-2889 | brbrandon.eichler@tradesmeninternational.com |
| Triad Mechanical Contractors, Inc | Brad White | 843-556-5636 | bwhite@triadmc.com |
| Turbeville Insurance Agency | Matt Patterson | 803-779-7666 | mattp@tiasc.biz |
| United Rentals, Inc - Columbia | Randy Greiber | 803-771-0037 | rgreiber@ur.com |
| W O Blackstone & Company, Inc | Lewis Caswell | 803-252-8222 | lcaswell@woblackstone.com |
| Walker White, Inc | Sam White | 803-691-0525 | swhite@walker-white.com |
| Whaley Foodservice | Woody Adkins | 704-451-8083 | woody.adkibs@whaleyfoodservice.com |